If sin theta = -2/3, which of the following are possible for the same value of theta?

A. sec theta = -3/2 and tan theta = 2/square root of 5

B. cos theta = square root of 5/3 and tan theta = 2/ square root of 5

C. cos theta = -square root of 5/3 and tan theta = 2/ square root of 5

D. sec theta = 3/square root of 5 and tan theta = -2/square root of 5

answer: c and d